When you bring your vehicle to WestTuned Car Mechanic Center, you can rest easy knowing that your vehicle is in professional hands.
2020-2025 | 320 HP -> 445 HP
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Estimated performance improvements
At Westtuned, we specialize in high-performance BMW M340i G20 2020-2025 tuning software. Our custom ECU solutions unlock the full potential of your engine, delivering sharper throttle response, stronger mid-range torque, and a more aggressive power curve — all while maintaining OEM-level drivability and reliability.
Every Westtuned calibration is developed using live dynamometer testing, targeting safe air-fuel ratios and optimised boost levels throughout the full RPM range. Our Stage 1 solutions are built to be reliable for daily driving as well as track day use.
Stage 1 software pushes your BMW M340i G20 2020-2025 from the stock 320HP / 330Nm to 445HP / 455Nm — a gain of +125HP, achieved with no hardware modifications required.
From a completely stock BMW M340i G20 2020-2025 to a fully modified build, Westtuned has the right calibration to match your hardware and unlock the performance you're after.
Choose Westtuned for:
Don't let factory software limit what your BMW M340i G20 2020-2025 can do. Trust Westtuned to deliver the performance gains your engine deserves.
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